28675808

素因数分解:

$2^5\times 7^1\times {\mathrm{313}}^1\times {\mathrm{409}}^1$

素因数の和:739

約数の個数: 48

約数和(自身を含む): 64884960

約数和(自身を除く): 36209152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 313, 409, 626, 818, 1252, 1636, 2191, 2504, 2863, 3272, 4382, 5008, 5726, 6544, 8764, 10016, 11452, 13088, 17528, 22904, 35056, 45808, 70112, 91616, 128017, 256034, 512068, 896119, 1024136, 1792238, 2048272, 3584476, 4096544, 7168952, 14337904, 28675808]

約数ペア:

[(1, 28675808), (2, 14337904), (4, 7168952), (7, 4096544), (8, 3584476), (14, 2048272), (16, 1792238), (28, 1024136), (32, 896119), (56, 512068), (112, 256034), (224, 128017), (313, 91616), (409, 70112), (626, 45808), (818, 35056), (1252, 22904), (1636, 17528), (2191, 13088), (2504, 11452), (2863, 10016), (3272, 8764), (4382, 6544), (5008, 5726)]